- Both en_GB_SF and en_GB can be seen on instance
- other locale also would seem to show twice like ('ja' and 'ja_JP')
SAP SuccessFactor HXM Suite
This is because the instance is not locale migrated
For "non-locale-migrated" instances, that duplication is expected behavior.
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locale, _SF, non migrated locale, , KBA , LOD-SF-PLT-LAN , Manage Language & Text Replacements , How To